ATN2

Applies to

Description

Function that returns the arctangent in radians of two coordinates sent as a parameter (ATN2 in Transact-SQL).

For z=tan−1(x,y)z = tan^{-1}(x, y): - Range: −π⩽z⩽π-\pi\leqslant z \leqslant \pi or −180∘⩽z⩽180∘-180^{\circ}\leqslant z \leqslant 180^{\circ} - Domain: R\mathbb{R}

Sample Source Pattern

Syntax

ATN2( expression_1, expression_2 )

Arguments

expression1and expression2: Numeric expressions.

Return Type

Numeric expression between −π-\pi and π\pi.

Examples

SELECT ATN2(7.5, 2);

Known Issues

No issues were found.

No related EWIs.

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